Ring spinning machine



March 25, 1952 N. HOOPER 2,590,621

RING SPINNING MACHINE Filed March 21, 1950 Patented Mar. 25, 1952 RING SPINNING MACHINE Norbert Hooper, Castleton, Rochdale, England,

assignor to Tweedales and Smalley (1920) Limited, Castleton, Rochdale, England, a corporation of Great Britain Application March 21, 1950, Serial No. 150,861 In Great Britain March 21, 1949 3 Claims.

This invention relates to a method of building the yarn on a cop or bobbin in a ring spinning frame and it consists in simultaneously moving the ring rails upwardly and the spindle rails downwardly and vice versa thereby relatively displacing the positions of the ring and spindle with half the amount of overall movement that is ordinarily necessary and causing the yarn to be wound on the cop or bobbin in a manner suitable for the type of package being produced.

For this purpose the cop or bobbin may be carried by the spindle in the normal manner and the yarn is laid on the cop or bobbin in the correct position by two operations which take place at the same time, namely, by lifting and lowering the spindle rails at a predetermined speed, and by connecting the ring rails to the spindle rails in such a manner that when the spindle rails move upwards the ring rails move downwards and vice versa.

This is effected by means of a shaft which is turned alternately in one direction and the other and has fixed on it two sets of bosses to one of which is fixed chains or other flexible connections which pass over jockey pulleys and are attached to a bracket that is slidable on slides and carries the spindle rails, and attached to the other set of bosses are chains or other flexible connections which are attached to brackets which carry the lifter rods for lifting and lowering the ring rails, the connections being such that when the shaft is turned in one direction one set of bosses and flexible connections lift the spindle rails and the other set of bosses and flexible connections simultaneously lower the ring rails, the reverse movement taking place when the lifter shaft is turned in the opposite direction.

Therefore, for a cop or bobbin which is 8" long and ordinarily necessitates a total displacement of 8" between the spindle rail and the ring rail, it will only be necessary for the spindle rail to move 4" downwards and the ring rail to move 4" upwards.

By this method of operating the spindle rails and ring rails it becomes possible to reduce the height of the machine and also the creel carrying the roving bobbins, a reasonable balloon control of the yarn can be obtained when using stationary lappets, the angle of the yarn as it leaves the delivery rollers can remain constant and to build a cop or bobbin 1" longer, the spindles and ring rails only require to move further and this provision can easily be allowed for on the same size of machine without any major alterations.

In the accompanying diagram, the spindles A at each side of the machine on which the cops or bobbins are carried in the usual way are fixed to spindle rails B which are attached to a bracket or frame C which is slidable on slides D fastened to the machine frame.

The ring rails E are fixed to lifter rods F which are slidable in tubes G attached to the spindle rails B and the bottom of each lifter rod is fixed to a bracket H.

J, J indicate two lifter shafts which extend throughout the length of the machine at each side and are driven in opposite directions relatively to each other and have their direction of rotation reversed as and when required by reversing mechanism which forms no part of this invention and is not shown.

Fixed on each of the lifter shafts J, J are two sets of bosses K, L. Pinned or otherwise attached to each boss K is a chain K or other flexible connection which passes over a jockey pulley K which is mounted on the machine frame. The end of such chain is fastened to the bracket or frame C by means of an adjusting screw. Pinned or otherwise attached to each boss L is a chain L or other flexible connection which is attached to the lifter rod frame or bracket H by means of an adjusting screw S held by nuts T.

By this arrangement when the lifter shaft J is turned in one direction the spindle rails 13 fall and the ring rails E rise and when the lifter shaft is turned in the opposite direction the spindle rails B rise and the ring rails E fall.

The brackets C and 1-1 have been broken to show the two extreme positions namely the top and bottom of their rising and falling movements.

What I claim as my invention and desire to secure by Letters Patent in the United States is:

1. A method of building the yarn on a cop or bobbin in a ring spinning frame consisting in simultaneously moving the ring rails upwardly and the spindle rails downwardly and vice versa, thereby relatively displacing the positions of the ring and spindle with half the amount of overall movement that is ordinarily necessary and simultaneously winding the yarn on the cop or bobbin so as to cause the yarn to be wound on the cop or bobbin in a manner suitable for the type of package being produced.

2. Apparatus for carrying into effect the method claimed in claim 1 comprising a shaft which is turned alternately in one direction and the other and has fixed on it two sets of bosses to one of which is fixed chains or other flexible 3 connections which pass over jockey pulleys and are attached to a bracket that is slidable on slides and carries the spindle rails, and attached to the other set of bosses are chains or other flexible connections which are attached to brackets which carry the lifter rods for lifting and lowering the ring rails, the connections being such that when the shaft is turned in one direction one set of bosses and flexible connections lift the spindle rails and the other set of bosses and flexible connections simultaneously lower the ring rails, the reverse movement taking place when the shaft is turned in the opposite direction. 3. Apparatus according to claim 2 wherein the 4 flexible connections are attached to the spindle rail brackets and lifter rod brackets by adjustable screws.

NORBERT HOOPER.

REFERENCES CITED 'The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 2,017,397 Cox VV Oct. 15, 1935 2 37Q,'32 8 .,Sch1eifer Feb. 27, 1945 

